Siemens LMV36.520A1 Basic Documentation page 85

Dual fuel burner gas / light oil
with gas pilot ignition with 2
fuel valves
(Operating mode 3, 9, 16, 21)
(Operating mode 13)
Fuel valve control program
Figure 61: Light oil with gas pilot ignition – fuel valve control - program
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GP2
Program
P
min
Gas
LOgp-2V
Program
V2-Oil
SV-Oil V1-Oil
Light oil
Figure 60: Dual fuel burner gas / light oil with gas pilot ignition, with 2 fuel valves
Light oil (with gas pilot ignition)
Basic documentation LMV36...
7 Basic unit
V1-Gas V2-Gas
P
PV-Gas
Legend for fuel trains:
1)
LO
No
LK
P LT Valve proving
Bild 313e/0114
Pmax Pressure switch-max
Pmin Pressure switch-min
PV
SA
SV
TSA... Safety time
V
Z
P
SA
max
For the valve proving function,
the pressure switch-min (Pmin)
is located between the fuel valve
(V1 / V2)
Light oil
Normally Open
Air damper
Pilot valve
Actuator
Safety valve (outdoors)
Fuel valve
Ignition
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25.09.2013